feat: scaffold root workspace files (Turborepo + pnpm)

.gitignore

@@ -0,0 +1,36 @@
+# Dependencies
+node_modules
+
+# Turbo
+.turbo
+
+# Build outputs
+dist
+build
+.next
+out
+storybook-static
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# Testing
+coverage
+
+# OS
+.DS_Store
+Thumbs.db
+
+# IDE
+.vscode
+.idea
+*.swp
+
+# Debug
+npm-debug.log*
+pnpm-debug.log*
+
+# Superpowers brainstorm sessions
+.superpowers/